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HomePhysics2. Due to capillary action, a liquid will rise in a tube, if the angle of contact is

2. Due to capillary action, a liquid will rise in a tube, if the angle of contact is

(a)   Acute

(b)  Obtuse

(c)   90°

(d)  Zero

Ans.  a

(4)

5/5 - (1 vote)

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12. An ideal gas is taken through the cycle A→ B → C → A, as shown in the figure. If the net heat supplied to the gas in the cycle is 5 J, the work done by the gas in the process C → A is

(a)      – 5 J (b)  – 10 J (c)   – 15 J (d)  – 20 J Answer-a (126)

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